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   Which of the following measures during cardiopulmonary exercise evaluation are most useful in differentiating between exercise intolerance of cardiac versus ventilatory origin? I. maximum heart rate II. O2max III. PaCO2 IV. PaO2

   Absolute contraindications for conducting a cardiopulmonary exercise evaluation include all of the following except:

   What are some relative contraindications for cardiopulmonary exercise testing? I. severe pulmonary hypertension or cor pulmonale II. known electrolyte disturbances (e.g., hypokalemia) III. SaO2 or SpO2 less than 85% breathing room air IV. untreated or unstable asthma

  What are the overall goals of rehabilitation? I.  reverse the course of progression of the disease process II.  minimize the disability’s impact on the individual family  III.  maximize the functional ability of the individual 

   What is the first step in evaluating patients for participation in a pulmonary rehabilitation program?

  Which of the following elements should be considered in most pulmonary rehabilitation programs?I.individual needsII.patient’s educationIII.patient’s personalityIV.patient’s aptitudes

   Which of the following is NOT a reasonable expectation for a pulmonary rehabilitation program?

  The principal objective of pulmonary rehabilitation include which of the following ? I.   control and alleviate the symptoms II.    restore functional capabilities as much as possible  III.   improve quality of life

The four columns in this diagram represent fossil-bearing sedimentary rock layers at four different sites. The sedimentary layers are continuous except at the zigzag lines, which represent unconformities. Compare the sites, determine the relative ages of the fossils, and then identify the FALSE statement.Click to view larger image.

The boundary surface between two stratigraphic formations is called a: